Operation Manual

2
38 Motorcaravan - 09-08 - DET-0033-07E
N
Troubleshooting
1
5
15.5.2 Webasto heater/boiler
In the case of a fault, a fault code is issued via the LED on the operating unit
(sequence of green and red flashing signals).
When a fault code was issued: Switch off the device, check that the fuses
are in a perfect condition and that the connectors are secured tightly. When
the device was switched off for at least five seconds, the fault code display
is reset.
If the fault code occurs again after switching on the device, contact cus-
tomer service.
15.5.3 Alde heater/boiler
Boiler empties, safety/
drainage valve has
opened
Internal temperature be-
low 8 °C
Heat inside
Safety/drainage valve
separated from battery
supply
Cancel battery separa-
tion. In order to do this
switch on the battery cut-
off switch on the trans-
former/rectifier or deacti-
vate the battery
separation via the panel
Operating voltage below
10.8 V
Charge or replace the liv-
ing area battery (or have
it charged or replaced)
Fuse is defective Replace fuse on the
transformer/rectifier
Safety/drainage valve
does not close when
switching on
Safety/drainage valve
separated from battery
supply
Cancel battery separa-
tion. In order to do this
switch on the battery cut-
off switch on the trans-
former/rectifier or deacti-
vate the battery
separation via the panel
Operating voltage below
10.8 V
Charge living area bat-
tery (or have it charged)
Fuse is defective Replace fuse on the
transformer/rectifier
Red and green indicator
lamps are not lit
Fuse is defective Replace fuse on the
transformer/rectifier
Fan wheel runs noisily or
not steadily
Fan wheel is soiled Contact Truma service
department
Fault Cause Remedy
Fault Cause Remedy
Heating does not ignite
with gas operation
Lack of gas Open regulator tap and
gas isolator tap
Connect a full gas bottle
Heating does not ignite at
240 V electrical operation
No 240 V power supply Switch on the 240 V au-
tomatic circuit breaker
Connect 240 V power
supply